Article
SGR2, a phospholipase-like protein, and ZIG/SGR4, a SNARE, are involved in the shoot gravitropism of Arabidopsis.
The Plant cell - 1 Jan 2002
Kato Takehide, Morita Miyo Terao, Fukaki Hidehiro, Yamauchi Yoshiro, Uehara Michiko, Niihama Mitsuru, Tasaka Masao
Abstract excerpt
In higher plants, the shoot and the root generally show negative and positive gravitropism, respectively. To elucidate the molecular mechanisms involved in gravitropism, we have isolated many shoot gravitropism mutants in Arabidopsis. The sgr2 and zig/sgr4 mutants exhibited abnormal gravitropism in both inflorescence stems and hypocotyls. These genes probably are involved in the early step(s) of the gravitropic...
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